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The study determined the parameter estimate of the Senior School Certificate Mathematics items of June/July 2017 NECO examinations and testlet effect under Multilevel Measurement Modeling with the aim of providing information on the psychometric properties and quality of the items. The research design was an ex-post facto, The examinees response we...
The study developed a scale and generated items capable of measuring students' testwiseness, determined the construct validity and reliability of the scale. The study adopted a survey research design. A total of 750 senior secondary students (SSS) participated in the study. They comprised 380 male and 370 female students ranging from 10-23 years ol...
The study investigated the invariance properties of one, two and three parameter logistic item response theory models. It examined the best fit among one parameter logistic (1PL), two-parameter logistic (2PL) and three-parameter logistic (3PL) IRT models for SSCE, 2008 in Mathematics. It also investigated the degree of invariance of the IRT models...